Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc

... calculating pressure drop along the associated gas pipeline is constructed in Matlab environment, the software interface is introduced in Fig. 3. Figure 3. Interface of pressure drop calculation ... 0.00785 0.7452 0.01235 Real Pressure at 112971m of the end of pipeline is 6970 kPa Table 3.5. Summary of numerical results of oulet pressure p 2 Results of o...

Ngày tải lên: 22/07/2014, 10:21

... only walking with Single phase. However it becomes more difficult when controlling a biped Double phase than that of the Single phase. Motion of a biped robot during Double phase can be described ... obtain an accurate estimation of physical parameter of complicated models with the interaction of parts of a robot and under the force of gravity. Besides, the effect...

Ngày tải lên: 22/07/2014, 03:21

... xã hội, môi tr ường. TÀI LIỆU THAM KHẢO 1. AOAC (1990). Association of Official Analytical Chemists, Official methods of analysis, 15 th edition Vol. 1. (AOAC, Washington, DC). 2. Ba, Nguyen ... Ngoan, CM Leddin and PT Doyle (2007a) Cassava bagasse silage can be used as a supplement for cattle fed rice straw. Asian- Australasian Journal of Animal Science (Submitted) 3. Ba, Ngu...

Ngày tải lên: 19/06/2014, 10:20

... capacity of the Faculty of Economics and Development Studies (FEDS) at Hue College of Economics (HCE) so that they can act as a strategic resource for rural development in the Central regions of Vietnam. ... Quang Ngai; ii) Development of training courses for them and the development of an agribusiness program curriculum at HCE; iii) Delivery of the trai ning courses for s...

Ngày tải lên: 22/06/2014, 12:20

... ra hoặc chưa được nghiên cứu kỹ ở khu vực lãnh thổ miền núi sẽ không được định danh và đưa vào bảng phân loại các QTDCTLĐĐ trên sườn dốc, mái dốc; - Với mức độ nghiên cứu hiện tại các quá ... nhà nghiên cứu như: A. P. Pavlov (1903), K. I. Bogdanovits (1911), F.P.Xavarenxky đề nghị (1934), A. P. Nifantov (1935), Sharpe C. FS (1938), N. V. Rodionov (1939), I. V. Popov, Ban N...

Ngày tải lên: 21/07/2014, 17:21

... cơng cụ hữu hiệu để hồn thiện cơng việc nghiên cứu kỹ thuật phún xạ và sự hình thành màng. MODELING AND SIMULATION OF THE MAGNETRON SPUTTERING PROCESS FOR AL 2 O 3 THIN FILM COATING Giang ... (2)University of Natural Sciences, VNU-HCM (3)VNU-HCM ABSTRACT: Al 2 O 3 used for manufacturing the catalytic converters is applied as a component of porous ceramal or in the for...

Ngày tải lên: 22/07/2014, 06:21

... viewpoint: we see clearly Newton’s viewpoint of inertial forces by means of his discussion of the rotation of water basin. Newton believed that inertial forces only existed in systems which were ... acceleration of system. 4.DISCUSIONS From above results we find that Newton, Mach and Einstein‘s viewpoints of inertial forces are satisfied in this model. Firstly, in this m...

Ngày tải lên: 22/07/2014, 10:21

... upstream face of the dam, the uplift force acting at the base of the dam and the earthquake load. The uplift force was computed using trapezoidal shape of uplift pressure with 29m of water pressure ... frequency range of most earthquakes. Therefore, the use of a rigid dam model is reasonable simplification for dams of thi height. References 1. A. K. Chopra . Earthqu...

Ngày tải lên: 21/07/2014, 17:20

... that each is a set of data. Then, these two set of data are combined to form a new better set of data. In practice, there are many factors affecting the quality of images. Therefore, multi-resolution ... decompose two sets of data before fusing and forming a new set of data. DWT is one of popular tools used in MRA by using low-pass and high-pass filter [6, 7, 8]. Consider ω...

Ngày tải lên: 22/07/2014, 02:21

... equivalent along the axis of abscissas. In our example, elements of length decrease along the positive direction of axis and increase along the negative direction. It should be noted that the laws of ... clock along the orbit of the particle.But when the ruler and clock move along the orbit in the gravitational field, the length of ruler and rate of the clock vary...

Ngày tải lên: 22/07/2014, 06:21